Ecozone Soap Nuts are economical and effective, saving you money by replacing traditional washing detergents. The organic cotton bag holds 1kg of soap nuts. That\'s enough for 330 washes, and an average of just 3p per wash! An organic alternative to laundry detergent Contains 1kg of soap nuts, enough for 330 washes Allergy-free and hypoallergenic laundry detergent Totally biodegradable Vegan and sustainably sourced Works in all types of washing machines Soap nuts have been used for thousands of years as a natural laundry detergent by people native to both Asia and the Americas. Also known as Soap Berries, soap nuts grow on trees of the sapindus genus and are a source of Saponin, a natural surfactant which cleans and freshens your clothes. Soap nuts are gentle on your clothes and help colours stay brighter for longer while effectively removing dirt. How to use Soap nuts are easy to use. 1. Put the required amount of soap nuts into the small bag provided and tie tightly. 2. Place laundry in the machine with the soap nuts on top and run your normal program 3. At the end of the wash remove the bag of soap nuts and allow to dry. These can be re used. For lightly soiled clothes: 3-5 nuts For heavily soiled clothes: 4-6 nuts For hard water areas: 7 nuts Since they first launched back in 1997, Ecozone have expanded their range of innovative, ecological and technologically advanced products to include more eco-friendly household products for use all around the home that save energy and water - so they\'re kind to both the environment and to your bank account. Ecozone laundry products are part of the range of eco friendly laundry products available at Big Green Smile.